"A decision is arbitrary if it comes about seemingly at random or by chance or as a capricious and unreasonable act of will. It is capricious if it is the product of a sudden, impulsive and seemingly unmotivated notion or action." City of Livingston v. Park Conserv. Dist., 2013 MT 234, ¶ 10, 371 Mont. 303, 307 P.3d 317 (citation omitted).
A review by a district court or the Montana Supreme Court "of an action under the 'arbitrary and capricious' standard does not permit a reversal merely because the record contains inconsistent evidence or evidence which might support a different result. Rather, the decision being challenged must appear to be random, unreasonable or seemingly unmotivated, based on the existing record." Silva v. City of Columbia Falls, 258 Mont. 329, 335, 852 P.2d 671, 675.